diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libcamera/include/utils.h | 44 | ||||
| -rw-r--r-- | src/libcamera/utils.cpp | 16 |
2 files changed, 60 insertions, 0 deletions
diff --git a/src/libcamera/include/utils.h b/src/libcamera/include/utils.h index cfa620f2..242eeded 100644 --- a/src/libcamera/include/utils.h +++ b/src/libcamera/include/utils.h @@ -11,6 +11,7 @@ #include <chrono> #include <memory> #include <ostream> +#include <sstream> #include <string> #include <string.h> #include <sys/time.h> @@ -109,6 +110,49 @@ inline _hex hex<uint64_t>(uint64_t value, unsigned int width) size_t strlcpy(char *dst, const char *src, size_t size); +#ifndef __DOXYGEN__ +template<typename Container, typename UnaryOp> +std::string join(const Container &items, const std::string &sep, UnaryOp op) +{ + std::ostringstream ss; + bool first = true; + + for (typename Container::const_iterator it = std::begin(items); + it != std::end(items); ++it) { + if (!first) + ss << sep; + else + first = false; + + ss << op(*it); + } + + return ss.str(); +} + +template<typename Container> +std::string join(const Container &items, const std::string &sep) +{ + std::ostringstream ss; + bool first = true; + + for (typename Container::const_iterator it = std::begin(items); + it != std::end(items); ++it) { + if (!first) + ss << sep; + else + first = false; + + ss << *it; + } + + return ss.str(); +} +#else +template<typename Container, typename UnaryOp> +std::string join(const Container &items, const std::string &sep, UnaryOp op = nullptr); +#endif + namespace details { class StringSplitter diff --git a/src/libcamera/utils.cpp b/src/libcamera/utils.cpp index 58ee7cc1..97f9b632 100644 --- a/src/libcamera/utils.cpp +++ b/src/libcamera/utils.cpp @@ -298,6 +298,22 @@ details::StringSplitter::iterator details::StringSplitter::end() const } /** + * \fn template<typename Container, typename UnaryOp> \ + * std::string utils::join(const Container &items, const std::string &sep, UnaryOp op) + * \brief Join elements of a container in a string with a separator + * \param[in] items The container + * \param[in] sep The separator to add between elements + * \param[in] op A function that converts individual elements to strings + * + * This function joins all elements in the \a items container into a string and + * returns it. The \a sep separator is added between elements. If the container + * elements are not implicitly convertible to std::string, the \a op function + * shall be provided to perform conversion of elements to std::string. + * + * \return A string that concatenates all elements in the container + */ + +/** * \fn split(const std::string &str, const std::string &delim) * \brief Split a string based on a delimiter * \param[in] str The string to split |